An update has been released for Left 4 Dead 2. - Quick Match option for all modes allows players to prefer "Official Servers Only" or "Any Servers" - Added localized UI and subtitles for Vietnamese - Increased string commands per second limit to fix some false disconnects - Prevent manually initiating some talker responses that trigger longer conversations - Fixed color correction for some maps where it was missing or incorrect - Fixed melee animation while carrying a fireworks crate - Fixed M60 not using the correct walk calm animation - MP5 changed to the slightly better rifle reload animation - SG552 changed to use assault rifle animations and military sniper zoom animations - Fixed incorrect sound cue for player infected when a survivor dies - Changed some mob onslaughts to classic panic events in the L4D mutation - Boomer bile slows tanks in Tank Run mutation - Several Rocket Dude mutation fixes and performance improvements - New survivor alert response rules for intense combat situations - Scripting: • Fire the "KilledZombie" response concept when killing a Witch. • New "EntityOutputs" class containing functions to manipulate entity output connections. ○ GetNumElements, GetOutputTable, HasOutput, HasAction, AddOutput, RemoveOutput • Expanded response rules testbed.